Backward somewhat technologically______we are for the moment we have perfect faith in our

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Backward somewhat technologically______we are for the moment, we have perfect faith in our ability to catch up in time.

A.if

B.even though

C.that

D.as

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。